ArticlePDF Available

Coir Compost: A Source of Plant Nutrient in Organic Farming

Authors:
Ekta Joshi at Indian Agricultural Research Institute
Ekta Joshi
Priyanka Gautam at National Research Centre on Camel
Priyanka Gautam
Manoj Kumar at Central Institute for Research on Cotton Technology
Manoj Kumar
Dr. B. Lal at Indian Institute of Pulses Research
Dr. B. Lal
Download full-text PDF
Read full-text
Download citation
Content uploaded by Priyanka Gautam
Author content
All content in this area was uploaded by Priyanka Gautam on Sep 06, 2014
Content may be subject to copyright.
Popular Kheti
ISSN:2321
-
0001
142
Coir
Coir Coir
Coir Compost:
Compost:Compost:
Compost:
A Source of
A Source of A Source of
A Source of Plant
Plant Plant
Plant Nutrient
Nutrient Nutrient
Nutrient in
inin
in
Organic
Organic Organic
Organic Farming
Farming Farming
Farming
1
11
1
Ekta Joshi
Ekta JoshiEkta Joshi
Ekta Joshi*
**
*,
, ,
,
2
22
2
Priyanka Gautam
Priyanka GautamPriyanka Gautam
Priyanka Gautam,
, ,
,
1
11
1
Manoj
Manoj Manoj
Manoj Kumar and
Kumar andKumar and
Kumar and
2
22
2
B. Lal
B. Lal B. Lal
B. Lal
1
Indian Agricultural Research Institute, New Delhi-12
2
Central Rice Research Institute, Cuttack, Odisha-753 006
*Email of c
*Email of c*Email of c
*Email of corresponding author:
orresponding author: orresponding author:
orresponding author: Joshi.ekta86@gmail.com
Joshi.ekta86@gmail.comJoshi.ekta86@gmail.com
Joshi.ekta86@gmail.com
Introduction
IntroductionIntroduction
Introduction
The largest by products of coconut is coconut husk from which coir fibre is extracted. They
accumulate in the vicinity of coconut coir-fiber extraction units, of which disposal and
management remain a major problem. This extraction process generates a large quantity of
dusty material called coir dust or coir pith. Large quantity of coir waste of about 7.5
million tones is available annually from coir industries in India. Southern states of India,
especially Kerala, Tamil Nadu, Andhra Pradesh, Karnataka, and Orissa, face this problem. The
composted pith is excellent organic manure, with a reduced C/N ratio of 20:1, pH of about 6.5,
and electrical conductivity of 0.23 dS/cm, making it more desirable soil organic manure. The
composted pith did not contain or carry weeds and undesirable pathogens, thus providing a
rich soil environment for plant and vegetation growth.
Composting of coir pith reduces its
bulkiness and converts plant nutrients to the available form.
Coir
Coir Coir
Coir Pith Composting Technology
Pith Composting TechnologyPith Composting Technology
Pith Composting Technology
1. Collection of raw material:
Collection of raw material:Collection of raw material:
Collection of raw material: Coir pith is collected from the coir industry without any fiber
because these fibrous materials will not get composted and it will hinder with composting
process. If fibrous materials are present, it is removed by sieving at the source itself.
Otherwise, it has to be removed at the end of composting at the compost yard.
2. Site selection for composting:
Site selection for composting:Site selection for composting:
Site selection for composting: A separate shady, levelled and elevated area should be
earmarked for composting. The shady area conserves the moisture in the composting
material. If earthen floor is available the floor can be made to hard by hard pressing and
also by applying cow dung slurry. Presence of roof over the composting material is
advantageous, since it protects the material from rain and severe sunshine. Coir pith
compost is an aerobic composting. So it should be heaped above the soil. Coir pith should
Coir pith compost is an aerobic composting. Composting of coir pith reduces its
bulkiness and converts plant nutrients to the available form. Coir composting as an
organic source
helps
to
enrich our degraded soils and system.
Popular Kheti
Volume -1, Issue-4 (October-December), 2013
Available online at www.popularkheti.info
© 2013 popularkheti.info
ISSN:2321
-
0001
1(4)
2013
Special
on
Organic
Farming
Issue
Popular Kheti
ISSN:2321
-
0001
1
43
Joshi et al (
2013
)
, Pop.
Kheti, 1(
4
):
142
-
145
be spread to the length of 4 feet and breadth of 3 feet. Initially coir pith should be put up
for 3 inch height and thoroughly moistened. After moistening, nitrogenous source
material should be added. The nitrogenous source may be in the form of fresh poultry
litter. Fresh poultry litter is recommended @ 200 kg for one ton of coir pith. It has to be
proportionally divided and put over the coir pith. After adding, the nitrogen source, the
microbial inoculums
Pleurotus
and biomineralizer (2%) are added over the material. Over
this one portion of coir pith is added and the same input mentioned above should be
added. It is advisable to make a heap up to minimum of 4 feet height. The increase in
height retains the temperature generated in the coir pith compost process. If the height is
low, whatever the heat generated will be dissipated easily.
3. Turing of material
Turing of materialTuring of material
Turing of material:
::
:
The compost heap should be turned once in 10 days to allow the stale
air trapped inside the compost material to go out and fresh air will get in. The other way
of giving aeration is inserting perforated unused PVC or iron pipe in the composting
material both vertically and horizontally.
4. Moisture maintenance
Moisture maintenanceMoisture maintenance
Moisture maintenance:
::
: Maintaining optimum moisture is the pre-requisite for uniform
composting or waste material. Sixty percent moisture is to be maintained always to wet
the compost material. But excess water should not be drained from the waste material. If
no water is coming out of the material at squeezing int between the palms, that moisture
status is ideal for composting.
5. Compost maturity
Compost maturityCompost maturity
Compost maturity:
::
: The period of composting vary from substrate to substrate but
normally it takes sixty days (60 days) for some of the physical parameters to be observed
in the compost. When the waste material is composted, its volume gets reduced and the
compost heap height will be reduced by 30 %. At maturity waste materials are turned to
black in colour, emits earthy odour and the waste particle size is reduced. The chemical
observation for compost maturity is to be analysed in the laboratory. The chemical
Coir pit heap
Po
pular Kheti
ISSN:2321
-
0001
144
Joshi et al (
2013
)
, Pop. Kheti, 1(
4
):
142
-
1
45
observations are narrower C:N ratio (20:1), less oxygen uptake, less number of
microorganism, more amount of available nutrients and highly cation exchange capacity.
6. Compost harvest
Compost harvestCompost harvest
Compost harvest:
::
: The composted material which is obtained from sieving is ready for use.
If the composition is not used immediately, it should be stored in a open, cool place, to
retain the moisture, so that the beneficial micro organism present in the compost will not
die. Once in a month, water is sprinkled over the compost material to maintain the
moisture.
Nutritive value of raw and composted coir pith
Nutritive value of raw and composted coir pithNutritive value of raw and composted coir pith
Nutritive value of raw and composted coir pith compost
compostcompost
compost:
::
:
S.
S.S.
S.
No
NoNo
No Parameters
ParametersParameters
Parameters Raw
RawRaw
Raw
coir pith (%)
coir pith (%)coir pith (%)
coir pith (%) Composted coir pith (%)
Composted coir pith (%)Composted coir pith (%)
Composted coir pith (%)
1 Lignin 30.00 4.80
2 Cellulose 26.52 10.10
3 Carbon 26.00 24.00
4 Nitrogen 0.26 1.24
5 Phosphorous 0.01 0.06
6 Potassium 0.78 1.20
7 Calcium 0.40 0.50
8 Magnesium 0.36 0.48
9 Iron(ppm) 0.07 0.09
10 Manganese(ppm) 12.50 25.00
11 Zinc(ppm) 7.50 15.80
12 Copper(ppm) 3.10 6.20
13 C:N ratio 112.1 24:1
Benefits of
Benefits of Benefits of
Benefits of Composted Coir Pith
Composted Coir PithComposted Coir Pith
Composted Coir Pith
•
The addition of composted coir dust improves soil physical properties
i.e
. soil texture,
structure and tilth, sandy soil become more compact and clayey soil becomes more
arable.
•
It improves the soil aggregation, cation exchange capacity and water holding capacity
(more than 5 times its dry weight) contributing towards increased soil moisture.
•
The bulk density of both the sub surface (15-30 cm) soil is reduced to considerable
extent with the application composted coir pith.
•
Composted coir dust contains all plant nutrient elements and it can provide a
supplemental effect along with inorganic fertilizers.
•
Coir pith compost application increased the soil native microflora because of addition
of humic materials.
•
Ammonification, nitrification and nitrogen fixation are increased due to improved
microbiological activity.
Popular Kheti
ISSN:2321
-
0001
45
Joshi et al (
2013
)
, Pop. Kheti, 1(
4
):
142
-
145
Application of
Application of Application of
Application of Coir Pith Compost
Coir Pith CompostCoir Pith Compost
Coir Pith Compost
•
It is recommended to be applied @ 5 tons of composted coir pith per hectare of land.
•
It is advised that composted coir pith should be applied basally before take up the
sowing.
•
For nursery development in poly bags and in mud pots 20 % of composted coir pith
can be mixed with the soil and sand before filing it in the poly bag or mud pot.
•
For applying to the established trees like coconut, mango, banana and other fruit
bearing trees, minimum 5 kg composted coir pith is required.
Limitation in
Limitation in Limitation in
Limitation in Using Composted Coir Pith
Using Composted Coir PithUsing Composted Coir Pith
Using Composted Coir Pith
•
It is not economical to buy composted coir pith and put in the farm for large areas. It is
better to prepare compost in the own farm.
•
Before buying composted coir dust, it should be ensured that the material is composted
completely and quality analysis certificate is available with the material.
•
If immature compost is applied to the soil, even after entering into the soil, it will
undergo decomposition inside the soil, by taking nutrients from the soil. Because of
this, standing crop will get affected.
Conclusion
ConclusionConclusion
Conclusion
The composted pith did not contain or carry weeds and undesirable pathogens, thus providing
a rich soil environment for plant and vegetation growth. Coir pith is used as a growth medium
in horticulture but still its use in agriculture as a good carbon source is limited due to wider
carbon and nitrogen ratio and lower biodegradability due to high lignin content. So coir pith
is composted to reduce the wider C:N ratio, reduce the lignin and cellulose content and also
to increase the manorial value of pith. Because of its less bulkiness and supplying capacity of
nutrients in their available form, need here lies for coir composting as organic source to
enrich our degraded soils and system.
... Considering the above fact, the palmyrah pith nutrient content is lower than the suggested level in all the mentioned nutrients; therefore, it can be suggested that mixing palmyrah pith with soil or other growing media would be better than using palmyrah pith alone as a growing medium, and further research should be done in this particular regard. At the same time, the nutritive value of raw coconut pith was reported as follows by Joshi and others; nitrogen (0.26%), phosphorous (0.01 %), potassium (0.78 %), calcium (0.40 %), magnesium (0.36 %), and iron (0.07 %) (Joshi et al., 2013). These amounts are not at a sufficient level for plant growth, as mentioned by Epstein (1965). ...
... These amounts are not at a sufficient level for plant growth, as mentioned by Epstein (1965). Comparing the nutritive value of raw coir pith (Joshi et al., 2013) with the results of raw palmyrah pith (Table 03), it is more or less similar except for potassium content, where raw coconut pith exhibited a higher potassium content than raw palmyrah pith. Conversely, the same research findings by Joshi et al (2013) revealed that composting raw coir pith increases the above nutritive values as follows; nitrogen (1.24%), phosphorous (0.06%), potassium (1.20 %), calcium (0.50%), magnesium (0.48%) and iron (0.09%) which are considered sufficient for plant growth. ...
... Comparing the nutritive value of raw coir pith (Joshi et al., 2013) with the results of raw palmyrah pith (Table 03), it is more or less similar except for potassium content, where raw coconut pith exhibited a higher potassium content than raw palmyrah pith. Conversely, the same research findings by Joshi et al (2013) revealed that composting raw coir pith increases the above nutritive values as follows; nitrogen (1.24%), phosphorous (0.06%), potassium (1.20 %), calcium (0.50%), magnesium (0.48%) and iron (0.09%) which are considered sufficient for plant growth. Hence, the feasibility of techniques like composting needs to be researched on palmyrah raw pith to increase the nutritive value for plant growth. ...
Physicochemical and Nutritional Characterization of Palmyrah (Borassus flabellifer L.) Pith Waste: A Study to Explore Potential Agricultural and Industrial Applications
Article
Full-text available
  • Sep 2023
Purpose: The palmyrah fibre industry generates a large number of wastages during the production process, and the wastages have not been utilized in a proper way. The combustion of those wastages may result in environmental issues. This study aims to analyze the physicochemical properties of palmyrah pith developed from palmyrah fibre production line waste to be utilized in the future for agricultural and industrial applications. Research Method: The palmyrah wastages from the fibre production line from all the regional centres in the Jaffna peninsula were collected and washed. The dried waste was ground using a laboratory motor mill and sieved using a laboratory sieve shaker, and the palmyrah fibre pith was packed in a stainless steel container for further analysis. Findings: Palmyra pith exhibited total ash of 15.6 g/100g, total carbon of 48.96 g/100g, and total organic matter of 84.4 g/100g. The nutritional content of the pith was nitrogen 1.90 mg/g, phosphorous 0.015 mg/g, sodium 0.621 mg/g, potasium 0.311 mg/g, calcium 3.196 mg/g, magnesium 1.918 mg/g and iron 0.014 mg/g. Physiochemical properties of the palmyrah pith were determined as pH 5.64, EC 0.586 dS/m, bulk density 0.241 g/cm3, particle density 0.60 g/cm3, total porosity 59.9%, water retention capacity 15%, C: N ratio of 259:1, and moisture content of 12% Originality/ Value: This research paves the way for the utilization of palmyrah wastages in agricultural and industrial applications.
View
... Considering the above fact, the palmyrah pith nutrient content is lower than the suggested level in all the mentioned nutrients; therefore, it can be suggested that mixing palmyrah pith with soil or other growing media would be better than using palmyrah pith alone as a growing medium, and further research should be done in this particular regard. At the same time, the nutritive value of raw coconut pith was reported as follows by Joshi and others; nitrogen (0.26%), phosphorous (0.01 %), potassium (0.78 %), calcium (0.40 %), magnesium (0.36 %), and iron (0.07 %) (Joshi et al., 2013). These amounts are not at a sufficient level for plant growth, as mentioned by Epstein (1965). ...
... These amounts are not at a sufficient level for plant growth, as mentioned by Epstein (1965). Comparing the nutritive value of raw coir pith (Joshi et al., 2013) with the results of raw palmyrah pith (Table 03), it is more or less similar except for potassium content, where raw coconut pith exhibited a higher potassium content than raw palmyrah pith. Conversely, the same research findings by Joshi et al (2013) revealed that composting raw coir pith increases the above nutritive values as follows; nitrogen (1.24%), phosphorous (0.06%), potassium (1.20 %), calcium (0.50%), magnesium (0.48%) and iron (0.09%) which are considered sufficient for plant growth. ...
... Comparing the nutritive value of raw coir pith (Joshi et al., 2013) with the results of raw palmyrah pith (Table 03), it is more or less similar except for potassium content, where raw coconut pith exhibited a higher potassium content than raw palmyrah pith. Conversely, the same research findings by Joshi et al (2013) revealed that composting raw coir pith increases the above nutritive values as follows; nitrogen (1.24%), phosphorous (0.06%), potassium (1.20 %), calcium (0.50%), magnesium (0.48%) and iron (0.09%) which are considered sufficient for plant growth. Hence, the feasibility of techniques like composting needs to be researched on palmyrah raw pith to increase the nutritive value for plant growth. ...
Physicochemical and Nutritional Characterization of Palmyrah (Borassus flabellifer L.) Pith Waste: A Study to Explore Potential Agricultural and Industrial Applications
Article
  • Sep 2023
Purpose: The palmyrah fibre industry generates a large number of wastages during the production process, and the wastages have not been utilized in a proper way. The combustion of those wastages may result in environmental issues. This study aims to analyze the physicochemical properties of palmyrah pith developed from palmyrah fibre production line waste to be utilized in the future for agricultural and industrial applications. Research Method: The palmyrah wastages from the fibre production line from all the regional centres in the Jaffna peninsula were collected and washed. The dried waste was ground using a laboratory motor mill and sieved using a laboratory sieve shaker, and the palmyrah fibre pith was packed in a stainless steel container for further analysis. Findings: Palmyra pith exhibited total ash of 15.6 g/100g, total carbon of 48.96 g/100g, and total organic matter of 84.4 g/100g. The nutritional content of the pith was nitrogen 1.90 mg/g, phosphorous 0.015 mg/g, sodium 0.621 mg/g, potasium 0.311 mg/g, calcium 3.196 mg/g, magnesium 1.918 mg/g and iron 0.014 mg/g. Physiochemical properties of the palmyrah pith were determined as pH 5.64, EC 0.586 dS/m, bulk density 0.241 g/cm3, particle density 0.60 g/cm3, total porosity 59.9%, water retention capacity 15%, C: N ratio of 259:1, and moisture content of 12% Originality/ Value: This research paves the way for the utilization of palmyrah wastages in agricultural and industrial applications.
View
... When raw coir pith is applied to the soil, plant nutrients become immobilized due to very high C:N ratio. The average nutritive composition of coir pith is depicted in Table 1 (Joshi et al. 2013) and physical characteristics of the coir pith is depicted in Table 2 (Namasivayam 2003). The nutrient content of the coir pith will vary depending upon the location, maturity of the coconut and the management practices followed. ...
Co-composting: A Comprehensive Review of Its Potential in Transforming Coir Pith Waste into Nutrient-rich Manure
Article
  • Oct 2024
Coir industries in India generates around 7.5Mt of coir waste yearly, which is unsuitable for agricultural use due to its high C:N ratio, lignin, phenol, cellulose and tannin content. The accumulation of coir pith leads to adverse environmental problems due to the release of phenolic compounds, lignin, tannins etc. Biodegradation or composting is the best way to manage coir waste and thereby the environmental pollution can be avoided. Co-composting is a method of decomposing multiple organic materials, which aims to create stable humus, and overcome the limitations of composting with a single organic source. Co-composting of coir pith reduces the C:N ratio, lignin content, cellulose content and increases the nutrient contents. In co-composting technology more than one feed stock are used for composting. It can be done by treating the coir pith with organic source of nutrients viz., farm yard manure or poultry manure or agro-industrial wastes or green manure crops or leguminous weeds or treating the coir pith with organic wastes and earthworms, or treating the coir pith lignin degrading micro-organisms and or supplementing the coir pith with lime, rock phosphate etc. along with the organic sources of nutrients mentioned above to speed up the composting process. Co-composting of coir pith resulted in the production of nutrient rich organic manure within a short period of time. Application of coir pith compost had significant effect on the growth and yield attributes of crops. Harnessing the potential of coir pith can lead us towards a more sustainable and greener future.
View
... The addition of coconut husk organic fertilizer from liquid organic fertilizer waste to the soil can improve nutrient availability for plants,as claimed by Joshi et al. (2013) composting from coconut husk can convert plant nutrients into available forms. In addition, there areother elements such as nitrogen (N) 1.24%, calcium (Ca) 0.5%, magnesium (Mg) 0.48%, carbon (C) 24% and phosphorus (P) 0.06%. ...
Effect of coconut husk organic fertilizer from liquid organic fertilizer waste on growth and yield eggplant (Solanum melongena L.)
Article
Full-text available
  • Apr 2023
The objective of the study was to determine the effect of using coconut husk organic fertilizer from liquid organic fertilizer waste on the growth and yield of eggplant. The factors of the experiment were; P0 = 0 tons ha-1coconut husk organic fertilizer from liquid organic fertilizer waste, P1 = 7 tons ha-1coconut husk organic fertilizer from liquid organic fertilizer waste, P2 = 14 tons ha-1 coconut husk organic fertilizer from liquid organic fertilizer waste, P3 = 21 tons ha-1coconut husk organic fertilizer from liquid organic fertilizer waste arrange as a randomized block design factorial. The results show that the doses of coconut husk organic fertilizer from liquid organic fertilizer waste 21 tons ha-1 gives a higher fruit weight of 69.97 tons ha-1. The lowest result is without the provision of coconut husk organic fertilizer from liquid organic fertilizer waste with a weight of 52.87 tons ha-1. In addition, there is a significant relationship between the rate of plant growth and the rate of net assimilation (r= 0.90**) and the weight of fruit weight per hectare (r= 0.51**). This study revealed that the application of coconut husk organic fertilizer from liquid organic fertilizer waste at high doses could increase the growth and yield of eggplant.
View
... Similarly, coir dust is a leftover dusty material after fiber extraction from coconut husk. Its decomposition reduces bulkiness and converts nutrients into available form for plants (Joshi et al. 2013) (Table 1). These substrates were moistened with deionized water during implantation for easy handling. ...
Efficacy of Clonal Propagation in Andaman Padauk ( Pterocarpus dalbergioides ): Augmenting Conservation of an Endemic Ornamental Timber Species of Andaman & Nicobar Islands, India
Article
  • Aug 2021
The population of Andaman padauk (Pterocarpus dalbergioides Roxb.), an endemic ornamental timber species, is fast depleting in the Andaman Islands. Afforestation through seedlings is hindered by low germination and high mortality rates. This study attempts to assess the efficacy of clonal propagation methods to hasten mass multiplication by trying out different combinations of growth hormones, concentration, and dipping duration in semi-hardwood stem cuttings and different combinations of growth hormone concentration and substrate in air layering. Dipping the cuttings in indole-3-butyric acid (IBA) 1,500 ppm for 24 hours and spraying the modified stem-cut layers with IBA 2,000 ppm and binding with top soil and decomposed coir dust turned out to be the best treatment combination for cutting and air layering, respectively. Among the considered factors, the concentration of growth hormone is crucial for cutting, as the performance is enhanced with concentration under a given growth hormone and dipping duration. Similarly, the substrate is crucial for air layering, as modified stem-cut air layers bound with top soil and decomposed coir dust not only achieve the best performance, but also catalyze IBA for further improvement when other substrates remain unresponsive. Successful outcome of both clonal propagation techniques gives hope for disseminating the species across the tropics at global level.
View
... The increase in yield with this treatment was 11.8 per cent over T 2 and 40.9 per cent over straw incorporation without additives. This was due to the integrated effect of biomineralizer and cow dung slurry on rapid straw decomposition (Joshi et al., 2013;TNAU portal, 2015;Fitriatin et al., 2014). At the same time, 25 kg additional N substitute the N needs of crop as it was immobilized by wide C:N ratio at initial stage of incorporation (Singh et al., 2005;Singh et al., 2009;Dhar et al., 2014). ...
Study on Residue Management Options in Combine Harvested Rice Field in Relation to Yield and Economic Benefits of Succeeding Rice Crop
Article
Full-text available
  • Oct 2020
Background: Paddy straw is a good source of plant nutrients. In-situ incorporation of paddy straw affects the growth and development of succeeding rice crop by immobilization of soil available nutrients. To overcome this, paddy straw incorporated with additives and its effect on rice growth and development was studied.Methods: A field experiment was conducted at Agricultural College and Research Institute, Killikulam during October 2014 to February 2015, to study the residue management options in combine harvested rice and its effect on yield and economic benefits of rice crop. The experiment was laid out in Randomized Block Design and replicated thrice. The treatments comprised rice residue without and with additives (25 kg additional N ha-1 as basal, bio-mineralizer (2 kg t-1 rice residue), cow dung slurry (5%). The additives applied individually, combination of two and combination of all additives. Result: Different rice residue management practices exerted significant influence on succeeding rice crop. Increased number of productive tillers (409), number of grains per panicle (162), panicle length (23.8 cm), number of filled grains per panicle (132) and spikelet filled percentage (87) was recorded by T8, where straw incorporated with application of 25 kg additional N ha-1 as basal + bio-mineralizer (2 kg t-1 of rice residue) + cow dung slurry (5%). The same treatment recorded highest grain yield of 7395 kg ha-1 and straw yield of 8440 kg ha-1 and it reflected as maximum value of ₹ 1,13,646 ha-1 , 69,079 ha-1 and 2.55 of gross return, net return and B:C ratio, respectively.
View
... Incorporation of straw with additional N as basal recorded higher grain and straw yield by substituting the N needs of crop as it was immobilized by wide C-N ratio at initial stage of incorporation. The straw incorporated with cow dung slurry and biomineralizer resulted in rapid straw decomposition by microbes present in the biomineralizer and cow dung slurry as also supported by Joshi et al (2013) and Fitriatin et al (2016). ...
Utilization of paddy straw as a source of nutrients for succeeding paddy and its effect on soil available nutrients, nutrient uptake and crop yield
Article
Full-text available
  • Jan 2020
Field experiment was conducted at Agricultural College and Research Institute, Killikulam, Tamil Nadu during October 2015 to February 2016 to study the different residue management options for combine harvested rice field and its effect on succeeding rice crop. The experiment was laid out in randomised block design with nine treatments replicated thrice. The treatments comprised rice residue without and with additives [25 kg additional N/ha as basal, biomineralizer (2 kg/tonne rice residue) and cow dung slurry (5%)]. Different rice residue management practices exerted significant influence on succeeding rice crop. Incorporation of combine harvested rice residue with 25 kg additional N/ha as basal + biomineralizer (2 kg/tonne of rice residue) and cow dung slurry (5%) recorded higher grain yield of 7,395 kg and straw yield of 8,440 kg/ha. Similarly highest plant NPK uptake and higher post harvest soil available NPK were also observed in the same treatment. The lowest crop yield and nutrient uptake were recorded in the treatment incorporation of straw whereas straw incorporated without any additives and the lowest soil available nutrients were recorded in control.
View
ResearchGate has not been able to resolve any references for this publication.